* {
    margin: 0;
    padding: 0;
}

a {
    text-decoration: none;
}

li {
    list-style: none;
}

/* 顶部css样式 */
/* .topKe {
    position: fixed;
    width: 100%;
    height: 198px;
    background-color: #254375;
    z-index: 1;
} */

.top {
    position: fixed;
    width: 3840px;
    /* width: 100%; */
    /* width: 1920px; */
    height: 198px;
    left: 50%;
    margin-left: -1920px;
    /* margin-left: -960px; */
    /* margin: auto; */
    display: flex;
    background-color: #254375;
}

.top a {
    color: white;
}

.topLogo,
.topIndex,
.topBook,
.topUser,
.topSer {
    flex: 1;
    line-height: 198px;
    text-align: center;
    font-size: 48px;
    color: white;

}

.topLogo {
    Font-weight: 1000;
    font-family: "LiSu";
}

.topLogo div {
    position: relative;
    top: 15px;
    display: inline;
}

.topLogo img {
    width: 100px;
    height: 70px;
}

.topSearch {
    flex: 3;
}

.icon-shouye,
.icon-tushu,
.icon-geren2,
.icon-banli,
.icon-sousuoxiao {
    font-size: 55px;
}

.topSearch {
    position: relative;
}

.topSearch input {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 941px;
    height: 111px;
    border-radius: 40px;
    box-shadow: 10px 10px 20px 0px #D3D3D3 inset;
    outline-style: none;
    font-size: 50px;

}

.sousou {
    position: absolute;
    top: 50%;
    right: 300px;
    transform: translateY(-50%)
}

/* 空盒子编辑 */
.prevent {
    height: 198px;
}

.bigbox{
    width:1920px;
    /* width: 3840px; */
    height: 1080px;
    margin: auto;
    background-color: blue;
    
}

/* .top{
    position: fixed;
    width: 1920px;
    height: 100px;
    background-color: burlywood;
} */

.left{
    position: fixed;
    top: 158px;
    left: 375px;
    background-color: pink;
    width: 190px;
    height: 400px;

}
.bottom{
    position: fixed;
    top: 910px;
    width: 1920px;
    height: 170px;
    background-color: chocolate;
}

